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Safety is Key Driver When Selecting Hollow Core Composite Insulators

Safety has become near the top of the list of considerations driving the current market trend toward composite hollow core insulators. Read More >

World’s Lightest & Slimmest 380 kV Porcelain Long Rod Insulators for Ultra-High Pollution Levels (Video)

A scientific project aimed to develop a new design of porcelain long rod insulator with optimized shed-profile, increased insulation length and arcing distance as well as decreased weight and surface area to improve pollution performance. Read More >

Diagnostic, Maintenance & Replacement Strategies for Cables & Insulators

Transient Analysis of Power Transformers Using Finite Element Method

Silicone Elastomers, Gels & Auxiliary Materials for Cable Accessories

Practical Considerations in Surge Protection

Replacement Strategy for Composite Insulators on Transmission Lines

in Maintenance, Utility Practice & Experience

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Comparative Testing of Helical & Concentric Shed Profiles on HV Bushings (Video)

in Bushings

Full-scale comparative testing was performed on commercially available transformer bushings during heavy rain after complete loss of hydrophobicity. Read More >
Modeling E-Field on Transmission Lines

in Transmission Structures

Optimizing electrical performance of HV lines requires better understanding how hardware, insulators and geometry can impact a transmission assembly and E-field modeling can help in this regard. Read More >
Manufacture of Porcelain Insulators

in Insulators

Due to continuous refinements in composition, processing and testing, modern electrical porcelain has remained the most widely used insulator technology found at substations the world over, in spite of growing inroads by advanced alternative technologies. Read More >
Price & Quality of Electrical Insulators

in All Articles, Insulators

There is a general assumption that a high price is always good for the seller while a low price is always good for the buyer. Read More >
Overview of Cable Testing: State-of-the-Art, Standards & Technologies

in Cables & Accessories, HV/HP Testing

One of the biggest challenges in testing power cable systems is finding the optimal balance between highest efficacy and lowest risk of damage. Read More >
Case Histories for Mitigating Transformer Bushing Risk

in Bushings, Utility Practice & Experience

Utilities in Southeast Asia embarked on a transformer bushing reliability survey and formulated mitigation strategies to reduce risk and improve bushing performance based on cases of past failures. Read More >
Principales modos de falla de los pararrayos contra sobrevoltajes

in INMR Español, Pararrayos

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Testing Ageing of Porcelain Insulators

in HV/HP Testing, Insulators

The concept of ageing of insulators is something normally associated mainly with polymeric composite types. Read More >

About us

INMR offers expert independent technical content for T&D engineers and professionals. Special emphasis is on design, operation and maintenance of overhead lines, substations and power cable networks as well as on testing and certification of key components such as insulators, surge arresters, bushings, power cables and cable accessories, and more.

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